> Escher also actively collaborated with the English mathematician Roger Penrose.
What!!??
... OK. Somehow I always assumed that Escher lived in 1800s. But he lived (1898 – 1972) and he knew Penrose who is older than I thought (born 1931, 87 years old).
I suspected for a moment that the article was intentionally inconsistent, but it checks out.
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[ 0.16 ms ] story [ 14.9 ms ] threadWhat!!??
... OK. Somehow I always assumed that Escher lived in 1800s. But he lived (1898 – 1972) and he knew Penrose who is older than I thought (born 1931, 87 years old).
I suspected for a moment that the article was intentionally inconsistent, but it checks out.